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Kospi reaches fresh record high, closing near 6,500 as investors buoyed by Trump ceasefire extension

Published: 23 Apr. 2026, 16:56

A trader walks by a screen displaying the Kospi at Hana Bank's dealing room in Jung District, central Seoul, on April 23. [YONHAP]

Korean stocks closed at a fresh record high Thursday, approaching the 6,500-point level, as investors focused on corporate earnings following the United States' indefinite extension of its ceasefire in the conflict with Iran. The local currency weakened against the dollar.

The benchmark Kospi rose 57.88 points, or 0.9 percent, to close at a record 6,475.81.

The index surpassed its previous all-time high for the first time in about two months on Monday and went on to set new record highs for three consecutive trading sessions.

Trade volume was moderate at 1.03 billion shares worth 39.86 trillion won ($26.91 billion), with decliners outnumbering advancers 504 to 357.

Retail investors were net buyers of 448.38 billion won worth of shares, while institutional and foreign investors sold net 327.46 billion won and 52.91 billion won, respectively.

The index opened 1.1 percent higher, tracking overnight gains on Wall Street, and remained volatile throughout the session, briefly dipping into negative territory before recovering to close with a modest gain.

Investor sentiment was buoyed after U.S. President Donald Trump announced a decision to extend a two-week ceasefire with Iran indefinitely amid stalled peace talks aimed at ending the conflict.

Sentiment was also supported by data showing that Korea's real GDP posted its fastest quarterly expansion in five and a half years, with 1.7 percent growth in the first quarter, demonstrating resilience despite the ongoing crisis.

Samsung and SK hynix [YONHAP]

Peter Tuchman, a veteran trader at the New York Stock Exchange, said the market impact of the conflict has already run its course, adding that the only remaining variable is oil prices.

Despite the ceasefire, tensions remain high in the Strait of Hormuz, as a U.S. blockade of Iranian ports continues and Iranian forces have seized container ships in the strategic waterway, pushing up global oil prices amid supply disruptions, according to foreign media reports.

Market bellwether Samsung Electronics surged 3.22 percent to 224,500 won, while its chipmaking rival SK hynix rose 0.16 percent to 1,225,000 won after reporting record first-quarter revenue and profit, driven by strong demand for high-bandwidth memory (HBM) and other memory products.

Artificial intelligence investment firm SK Square climbed 1.11 percent to 728,000 won, and nuclear power plant builder Doosan Enerbility jumped 5.78 percent to 122,600 won.

A Hanwha Aerospace logo is seen in this illustration taken on July 26, 2025. [REUTERS/YONHAP]

Defense giant Hanwha Aerospace gained 0.64 percent to 1,425,000 won, while leading financial firm KB Financial added 0.38 percent to 158,000 won.

But major battery maker LG Energy Solution fell 3.72 percent to 466,500 won on profit-taking, and biopharmaceutical giant Samsung Biologics dropped 3.01 percent to 1,514,000 won.

Hyundai Motor declined 1.66 percent to 532,000 won after the automaker reported a 23.6 percent on-year drop in first-quarter net profit. Its affiliate Kia also fell 1 percent to 158,400 won.

Leading shipbuilder HD Hyundai Heavy remained unchanged at 641,000 won, while its rival Hanwha Ocean went down 0.44 percent to 134,400 won.

The local currency weakened five won from the previous session to trade at 1,481 won against the greenback as of 3:30 p.m., extending its losing streak to a second consecutive day amid rising global oil prices and foreign selling of local stocks.

Yonhap